New question #226825 on Graphite:
https://answers.launchpad.net/graphite/+question/226825
Hello
I'm trying to produce a CPU % usage chart, from collectd data, for multiple
servers.
I've got a chart for a single server like this:
asPercent(nonNegativeDerivative(servers.<server-name>.cpu-0.cpu-idle.value),
sumSeries(nonNegativeDerivative(servers.<server-name.cpu-0.cpu-*.value)))
Or equivalently:
divideSeries(nonNegativeDerivative(servers.<server-name>.cpu-0.cpu-idle.value),
sumSeries(nonNegativeDerivative(servers.<server-name>.cpu-0.cpu-*.value)))
(I've removed scaling and inverting functions for clarity.)
I'd like to wild-card the server names, but I can't for the life of me see how
to do that.
asPercent() is documented to take only a single series for the second
parameter; divideSeries() looks more promising from the documentation, but I
find in practice that the second seriesList parameter can only contain a single
series.
Is this possible?
Thanks
-Ben
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